Physics of Nonlinear Transport in Semiconductors

The Lectures.- 1. Phenomenological Physics of Hot Carriers in Semiconductors.- The Carrier Temperature Model.- Drift, Diffusion, and Generation-Recombination of Hot Electrons.- The Influence of Classical Magnetic Fields on Hot Electrons.- Hot Electrons in Semiconductor Devices and Layered Structures.- Appendices,.- 2. Electronic Structure of Semiconductors.- The Single Particle Description: Bonds and Bands.- Many-Body Effects on the Electronic Structure of Semiconductors.- 3 The Electron-Phonon Interaction in Semiconductors.- The Adiabatic Approximation.- The Deformation Potential Interaction.- Non-polar Optical Phonon Scattering.- Polar-Optical Interaction.- Piezoelectric Interaction.- A Microscopic Approach.- Applications.- The Electron-Phonon Interaction in Nonperfect Semiconductors.- 4. Semi-Classical Boltzmann Transport Theory in Semiconductors.- Displaced Maxwellian.- Numerical Techniques.- 5. Quantum Transport Theory.- Concepts.- Structure of High Field Quantum Kinetic Theory.- Many-Body Formulation and the Screening Problem.- 6. Carrier-Carrier Interactions and Screening.- The Intercarrier Interaction.- The Critical Concentrations.- Distribution Functions.- 7. Multiphonon Scattering.- Electron-multiphonon Processes.- Electron-Two phonon Processes.- Results.- Summary.- 8. Experimental Studies of Nonlinear Transport in Semiconductors.- Transport Parameters.- Electron Temperature.- Hot Electron Distribution Functions.- Conclusions.- 8a. Time-of-Flight Techniques..- Description of ToF Techniques.- Types of Information Available from ToF Techniques.- Alternative Techniques.- Summary of ToF Most Significant Applications.- 9. Hot-Electron Transport in Quantizing Magnetic Fields.- The Shubnikov-de Haas Effect.- The Magnetophonon Effect.- Magneto-Impurity Resonance.- 10. Hot Electron Distribution Function in Quantizing Magnetic Fields.- Quantitative Estimates of Electron Temperature.- Study of the Electron Distribution Function in Crossed Fields.- Conclusions.- 11. Hot Electron Effects in Semiconductor Devices.- Transient Hot Electron Effects in Semiconductor Devices.- Conclusions.- 12. Optical Excitation of Hot Carriers.- Optical Excitation of Electron-Hole Pairs.- Carrier Heating by Optical Injection.- Band Filling by Optical Excitation.- Oscillatory Photoconductivity and Photoluminescence.- Conclusions.- 13. Theoretical Concepts of Photoexcited Hot Carriers.- The Barker-Hearn Model.- Solution of the Integral Equation.- Photoexcited Holes in Cu-Doped Germanium.- Effects of Optical Phonons, 360; Further Physical Effects.- 14. The Physics of Nonlinear Absorption and Ultrafast Carrier Relaxation in Semiconductors.- Review of the Germanium Band Structure.- Physical Processes.- Initial Models.- Conclusion.- 15. Nonequilibrium Phonon Processes.- Phonon Instabilities.- Phonon Lifetimes.- Steady-State Effects of Nonthermal Phonons.- Some Further Aspects of PH-Disturbances in Solids.- 16. Noise and Diffusion of Hot Carriers.- Fluctuations and Noise: General Considerations.- Noise Temperatures of Hot Carriers.- Diffusion of Hot Carriers.- Experimental Techniques.- Theoretical Determinations.- Noise Sources.- Noise of Hot Carriers in Devices.- Some Quantum Effects.- Conclusion.- The Seminars.- 1. High-Field Transport of Holes in Elemental Semiconductors.- Theoretical Model.- Results and Discussion.- Conclusions.- 2. Nonlinear Transport in Quasi-One-Dimensional Conductors.- Nonlinear Transport in Organic Charge Transfer Salts: TTF-TCNQ and Related Compounds.- Non-Ohmic Effects in KCP.- Non-Ohmic Conductivity of Quasi-ID Trichalcogenides: NbSe3.- Nonlinear Transport in Highly Conducting Polymers.- Summary.- 3. Optical Absorption of Solids Under Laser Irradiation.- Band Structure Effects.- Optical Properties.- Conclusions.- 4. High Intensity Picosecond Photoexcitation of Semiconductors.- Dynamic Saturation of the Optical Absorption.- High Photogenerated-Carrier Densities.- Hot Phonons,.- The Relaxation-Diffusion-Recombination Model.- Summary.- 5. Hot Electron Contributions in Two and Three Terminal Semiconductor Devices.- Two-Terminal Devices.- Three-Terminal Devices.- 6. Modeling of Carrier Transport in the Finite Collision Duration Regime: Effects in Submicron Semiconductor Devices.- The Intracollisional Field Effect.- The Retarded Equations.- Discussion.- 7. On the Physics of Sub-Micron Semiconductor Devices..- Physical Scales and Phenomena.- On Medium Small Devices.- Very Small Scale Devices.- Synergetic Effects and New Device Concepts.- Formal Theory of Coupled Device Arrays.- List of Participants.